Source: http://www.abarim-publications.com/Meaning/Ir-hamelah.html

🔼The name Ir-hamelah in the Bible

The name Ir-hamelah occurs only once in the Bible. In Joshua 15:62 it's mentioned as one of the cities in the wilderness of the territory allotted to the tribe of Judah. Note that of the modern English translations only the Darby Translation prints Ir-hamelah here. The others speak of the City of Salt.

🔼Etymology of the name Ir-hamelah

The name Ir-hamelah consists of two elements. The first part is the noun עיר (ir) meaning city: